21316228164

Names of 21316228164

• Cardinal: 21316228164 can be written as Twenty-one billion, three hundred sixteen million, two hundred twenty-eight thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.1316228164 × 10¹⁰

Factors of 21316228164

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 784

Divisors of 21316228164

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 41 42 44 54 63 66 77 82 84 99 101 108 123 126 132 154 164 189 198 202 231 246 252 287 297 303 308 369 378 396 404 451 462 492 574 594 606 619 693 707 738 756 861 902 909 924 1107 1111 1148 1188 1212 1238 1353 1386 1414 1476 1722 1804 1818 1857 2079 2121 2214 2222 2476 2583 2706 2727 2772 2828 3157 3333 3444 3636 3714 4059 4141 4158 4242 4333 4428 4444 5166 5412 5454 5571 6314 6363 6666 6809 7428 7749 7777 8118 8282 8316 8484 8666 9471 9999 10332 10908 11142 12177 12423 12628 12726 12999 13332 13618 15498 15554 16236 16564 16713 17332 18942 19089 19998 20427 22284 23331 24354 24846 25379 25452 25998 27236 28413 28987 29997 30996 31108 33426 37269 37884 38178 38997 39996 40854 45551 46662 47663 48708 49692 50758 51996 56826 57974 59994 61281 62519 66852 69993 74538 76137 76356 77994 81708 85239 86961 91102 93324 95326 101516 111807 113652 115948 116991 119988 122562 125038 136653 139986 142989 149076 152274 155988 170478 173922 177653 182204 183843 187557 190652 209979 223614 228411 233982 245124 250076 260883 273306 279169 279972 285978 304548 318857 340956 347844 355306 367686 375114 409959 419958 428967 437633 447228 456822 467964 521766 532959 546612 558338 562671 571956 637714 685233 687709 710612 735372 750228 782649 819918 837507 839916 857934 875266 913644 956571 1043532 1065918 1116676 1125342 1229877 1275428 1286901 1312899 1370466 1375418 1565298 1598877 1639836 1675014 1688013 1715868 1750532 1913142 1954183 2063127 2131836 2250684 2459754 2512521 2563279 2573802 2625798 2740932 2750836 2869713 3130596 3197754 3350028 3376026 3826284 3908366 3938697 4126254 4796631 4813963 4919508 5025042 5126558 5147604 5251596 5739426 5862549 6189381 6395508 6752052 7537563 7689837 7816732 7877394 8252508 8609139 9593262 9627926 10050084 10253116 11478852 11725098 11816091 12378762 14441889 15075126 15379674 15754788 17218278 17587647 17942953 18568143 19186524 19255852 23069511 23450196 23632182 24757524 28196069 28883778 30150252 30759348 34436556 35175294 35885906 37136286 43325667 46139022 47264364 52762941 53828859 56392138 57767556 69208533 70350588 71771812 74272572 84588207 86651334 92278044 105525882 107657718 112784276 129977001 138417066 161486577 169176414 173302668 197372483 211051764 215315436 253764621 259954002 276834132 322973154 338352828 394744966 484459731 507529242 519908004 592117449 645946308 761293863 789489932 968919462 1015058484 1184234898 1522587726 1776352347 1937838924 2368469796 3045175452 3552704694 5329057041 7105409388 10658114082 21316228164
• Sum of all divisors σ(n): 71395430400
• Sum of proper divisors (its aliquot sum) s(n): 50079202236
• 21316228164 is an abundant number, because the sum of its proper divisors (50079202236) is greater than itself. Its abundance is 28762974072

Bases of 21316228164

• Binary: 10011110110100010111101010001000100₂
• Hexadecimal: 0x4F68BD444
• Base-36: 9SJ4QX0

Squares and roots of 21316228164

• 21316228164 squared (21316228164²) is 454381583139706810896
• 21316228164 cubed (21316228164³) is 9685701499725525869123937274944
• The square root of 21316228164 is 146000.7813814707
• The cube root of 21316228164 is 2772.7036453251

Scales and comparisons

• 21,316,228,164 seconds is equal to 677 years, 41 weeks, 14 hours, 29 minutes, 24 seconds.
• To count from 1 to 21,316,228,164 would take you about one thousand, three hundred fifty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21316228164 cubic inches would be around 231.1 feet tall.

Recreational maths with 21316228164

• 21316228164 backwards is 46182261312
• 21316228164 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21316228164's digits is 36
• More coming soon!